United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 155
eans, substan-tially as described. This specification signed and witnessedthis 20th day of June 1911. THOS. A. EDISON. Witnesses: Frederick Bachmann,Anna E,. Klehm. Copies of tills patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. GRAPHOPHONE… … J^ -& 21 ^W 20 21J6
Phonograph · Patents
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